You have a point though and I agree. I understand what you are trying to say.
But in terms of getting more "new" users, having a license will attract those new people to try the platform especially those people who are not aware of what the Stake platform is. Having a license is not totally worthless but it's a key for having more users in the future as some are really taking it as one of their factors before choosing a platform. While at the same time, the site will be under the benefits and advantages of being a licensed gambling site. There should be no issue to get one as the cost is fairly cheap.
Well, if a casino have gambling license and loss it after a while then it will create fear among a large numbers of gamblers. As a result they might leave the casino. Stake has gained so much popularity now. Stake team won't make any mistake so that they loss their gambling license at this position.‘Stunna’ have clarified the reason above about the license seal. Curacao license provider just changed their system which made the confusions.